72894392 has 64 divisors (see below), whose sum is σ = 148055040. Its totient is φ = 33580800.

The previous prime is 72894373. The next prime is 72894401. The reversal of 72894392 is 29349827.

Its product of digits (217728) is a multiple of the sum of its prime factors (252).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 681203 + ... + 681309.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 2^72894392 is an apocalyptic number.

It is an amenable number.

72894392 is an abundant number, since it is smaller than the sum of its proper divisors (75160648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72894392 is a wasteful number, since it uses less digits than its factorization.

72894392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 248 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 72894392 is about 8537.8212677474. The cubic root of 72894392 is about 417.7322828039.

The spelling of 72894392 in words is "seventy-two million, eight hundred ninety-four thousand, three hundred ninety-two".